A star-studded lineup of singers highlight the weekend in Las Vegas

Las Vegas was all about the music over the weekend with Kevin Federline, Ariana Grande, Slipknot and Vince Gill in town.

Britney Spears' ex-husband Kevin Federline hosted his fantasy football draft party followed by a live deejay set at Crazy Horse III on Saturday night.

The dancer and musician arrived at the club with an entourage of friends around 3 p.m., and then spent the afternoon drafting his 2015 fantasy football team in the club's newly remodeled VIP lounge. Later, Federline got in the deejay booth to finish off the night with a live set and spent the rest of the evening at a VIP table alongside friends and family.

Pop music superstar Ariana Grande took center stage at the Mandalay Bay Events Center during a stop on her Honeymoon tour on Saturday night. Grande wowed fans with her catchy pop hits including "Bang Bang," "Break Free" and "Problem."

Grammy Award-winning group Slipknot and special guests Lamb of God, Bullet for My Valentine and Motionless In White played the MGM Resorts Village on Friday night. The nine-man band performed hits including "The Devil in I," "Before I Forget" and "The Negative One."

Country singer Vince Gill performed selections from his decades of hits, including "Look At Us," "One More Last Chance," "Don't Let Our Love Start Slippin' Away" and "I Still Believe In You" on Friday night at the Pearl at the Palms.

He enterained the crowd with his guitar skills, moving from an electric guitar to an acoustic set by the end of the evening. And he lived up to his nickname as the "Springsteen of country music," performing for hours.